/*
 *   Copyright 2021 zzh
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */

package com.aduib.boot.web.util;

import org.springframework.beans.BeansException;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.EnvironmentAware;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

/**
 * @description: SpringUtil
 * @author: zzh
 * @date: 2021/9/6 16:03
 */
@Component
public class SpringContextUtil implements ApplicationContextAware, EnvironmentAware,
    EnvironmentPostProcessor {

  private static ApplicationContext applicationContext;

  private static Environment environment;

  private static SpringApplication springApplication;

  private static ConfigurableEnvironment configurableEnvironment;

  @Override
  public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    SpringContextUtil.applicationContext = applicationContext;
  }

  public static Object getBean(String beanName) {
    return SpringContextUtil.applicationContext.getBean(beanName);
  }

  public static <T> T getBean(Class<T> clazz) {
    return SpringContextUtil.applicationContext.getBean(clazz);
  }


  @Override
  public void setEnvironment(Environment environment) {
    SpringContextUtil.environment=environment;
  }

  @Override
  public void postProcessEnvironment(ConfigurableEnvironment environment,
      SpringApplication application) {
    SpringContextUtil.springApplication=application;
    SpringContextUtil.configurableEnvironment=environment;
  }

  public static ApplicationContext getApplicationContext() {
    return applicationContext;
  }

  public static Environment getEnvironment() {
    return environment;
  }

  public static SpringApplication getSpringApplication() {
    return springApplication;
  }

  public static ConfigurableEnvironment getConfigurableEnvironment() {
    return configurableEnvironment;
  }
}
